I'm a 19 year old only child and I work at a package delivery company. My dad is a 42 year old truck driver and my mom is a 48 year old housewife who usually goes out during lunchtime to play pachinko.

The first time I really came to know about sex I was in fourth grade. Dad usually leaves for work at 5 a.m., but on Fridays, he and mom have sex with each other at 4 a.m. When I was in seventh grade and about to head to the bathroom one morning, I heard strange noises coming from mom. "They're at it  again," I said to myself and didn't give it a second thought.

On Fridays, though, she wouldn't get up. I would go to her room and see her sleeping. "Sorry sweety, but I'm tired, Let me sleep a little longer. Go help yourself to something in the fridge before you go off to school."

I lost my virginity late, when I was in 12th grade. It was with some local slut a buddy of mine introduced me to. It felt really good, just as I thought it would. A week later, I managed to get a girlfriend and we fucked like rabbits. However, just before Christmas of last year, she dumped me and I was confined to masturbating for a month after that. I wanted to fuck really bad as a result and the first Friday of this February, dad went to work. It was obvious that they were still having sex and she was sleeping deeply. The heater was also on and the room was really warm. Because of that, she had the blanket off to one side and she was totally naked. Even at her age, though, she still had a pretty nice body.

I wanted to look at her pussy and lifted her legs and opened them. She didn't appear to be waking up and I could see that she was still wet. Amid her black pubic hair was her pink pussy and her clit was red and swollen. It was still erect. I shed my underwear, grabbed my cock and positioned it at her opening. "Wow, a second time! That's rare for you!" she said drowsily. She didn't move and thought it was my dad doing this. I prodded her on to her stomach and i lifted her ass up and slipped it into her doggy style. Mom's pussy was still tight. I buried my face into her back as I fucked her while I used my righthand to fondle her breast. "Ahhhh, oh yes, fuck me deeper!" she moaned. I was so excited that I didn't last long and blew my load into her. But I was still hard and kept fucking her. Her moans got a lot louder. "I'm going to cum! Oh, I'm cumming!" she whimpered. Geez, she was so tight that I uncorked a second load into her. I withdrew my dick from her sopping, sloppy cunt and my cum dripped out of her. She reached through her legs and felt her pussy. "You didn't cum this much last time. It's been a long time since you've cum like that!" she enthused.

I returned to my senses and wondered what I should do now after I just screwed my mom. "Mom, I'm sorry, I'm so sorry. How can I make it up to you?" I pleaded. "Oh, it was you Tsukasa? To be honest, your cock was so hard and you came so much!" "But I came inside you. Are you going to get pregnant?" "Don't worry about it. I've been cum in so much by your father and never got knocked up. The way you did me felt better than what your dad did. So I'm good. We can do it whenever you're in the mood." "I can't mom. I regret it. I'm sorry." "You dork! Don't regret it! Let's do it again!"

She grabbed my flaccid cock and sucked me. "Oh look! You're  hard again. Let me do the work this time!" She straddled me and sunk my cock into her pussy. "How does my pussy feel? It's been 20 years since I've done it with anyone other than your father. Oh, do you have to leave for work soon?" "We have a three day holiday right now." "Good, we can take our time, then. As punishment for what you did, you have to make me cum ten times. Well, the absolute minimum I'll accept will be six." We did it until noon.

"Look, if you're horny and don't have anywhere to shoot your cum, come see me anytime." So now except for Saturdays and Sundays, when dad leaves for work, I fuck mom. Even if I get a girlfriend I'll probably keep doing it with my mom.

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This happened just after I had gotten a new job and when my sister was 21.

On a day off, I was laying around in my bedroom reading a magazine. I was the only one home because my parents were at work and my sister was out shopping with friends. I  got tired of reading, though, and snuck into my sister's bedroom. She had left a pair of panties, a bra and her pajamas scattered on her bed. I picked up the soiled panties and sniffed them. Then I decided to check out her other panties and went over to her dresser and rifled through the drawers. A lot of the panties were the pink lacy kind. I put a pair of them on and imagined her wearing them and began stroking myself through them. Then she came home.

I was startled and quickly went to take them off. My cock was hard and I hid it with my hands as she stood there. She looked down at my penis and said, "show it to me." I did as she asked and pulled my hands away from it. "Hmmm, bigger than I expected. Can I touch it?" She got down on her knees and put it right in front of her face as she stroked it slowly. But then she began to rub it faster and I warned her I was going to cum because I couldn't hold off any longer. I splattered her face with my cum. She licked some of it. "Mmm, tasty!" she said. She put it in her mouth and squeezed the last of my cum out of it.

I apologized to her for invading her space and was going to leave, but she stopped me and had me lay on the bed. She stroked me again and then took her panties off. She got on top of me and buried my cock inside of her. She rocked her body and was moaning up a storm while I felt up her soft boobs. I had just cum, but I was about to unload again and told her I was going to cum. She vigorously shook her hips and told me to cum. I shot it upward into her. When she felt the cum inside of her, she stopped and had a trance like expression on her face. She slowly got off of me and my semen and her wetness dripped out of her.

She took her clothes off and shepherded me into the bathroom and washed my cock and I washed her pussy.

That was the start of a three year run where,  on her safe day, when our parents weren't  home or it was late at night and they were asleep, we would have sex where I would cum inside of her.

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My old man runs a restaurant and a sake wholesaling outfit. He is also a womanizer. He has never really shown any love toward me and he is apparently just using my mom as another piece of ass. A few times every month he comes to the condo mom and I live in and that he is paying for.

The following happened when I was in seventh grade. He showed up and, after a few beers, he said, "hey Kazu, you want to experience it now at your age, right?" I didn't know what he was referring to and I didn't answer him.

"Well, okay, it's time," he muttered. Mom was bathing at the time and didn't hear any of this.

Fast forward to my birthday, August 6th. I came home from school after mandatory club activities. He was there waiting for me. "Kazu, happy birthday. I'm going to give you your present now." He led me to my mom's bedroom and pulled the door open. She was standing there naked. My mind went blank. "I thought about you now being in junior high. It took me six months to persuade your mother to do this, so go for it," he said, pushing me into the room and closing the door behind me. Mom was 36 at the time and I was 13.

Because she was his lover, she worked for his company and also got a supplementary amount besides, so our circumstance as a single mother household was probably better than a lot of others. Yeah, it wasn't pleasant having a dad with his dubious character, but seeing my mom's mature body caused all the blood in my body to rush to my dick. "If you don't want to do this, I won't force you," she said. "If this all disgusts you, I can look for another job and I'll never see him again."

While I thought that over, I was hard as a rock. My mom noticed that and pulled my shorts and underwear off of me and had me sit on the edge of the bed. She pulled my foreskin down my shaft and then slid my cock into her mouth. It was warm and soft and felt so good. I played with her breasts, which were also soft, and felt her nipples under my palms.

"I can't hold out any longer," I blurted as I heard a slurping sound and then I blasted my load into her mouth. She sucked it all up and even licked up the last few drops coming out of my cockhead and swallowed it all. She kept sucking me, though, and I was soon hard again. Something inside me snapped and as I tried to push my mom down on the floor, my elbow hit her head. "Owww!" she yelped. "Be gentle," she urged.

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I'm one of three kids in our family. I have an older brother and a younger one. When I was in high school and my brother was in eighth grade, I saw him masturbating, except it was in my room while he chanted my name over and over. I had caught my older brother jacking off, too, but fuck, my younger one was imagining me when he was doing it? Yuck!

Then I noticed that a pair of my panties had disappeared from our washing machine and my underwear drawer had been gone through.

Then one night, I woke up and had to go to the bathroom. I saw  him stroking himself with a pair of panties while he called my name. I was surprised, but I didn't hate him for it. Even though I didn't really trust him that much, I found myself getting excited watching him. "He's becoming a man," I thought to myself. After that, I sometimes imagined what I had seen my brother doing while I played with myself.

Several years later, he had graduated high school and it was spring break. My parents were on a trip and my older brother was over at his girlfriends's. That left me alone with my little brother for three days. By that time, I had completely forgotten about his masturbatory habits, but the first night of that weekend I saw him doing it again and he did it for a second time not long after, too.

The next day, I had to get something from the building where we hard our baths and my brother had just gone in there to bathe, which is when I ran into him there. He was stark naked. In his hand was a pair of my panties. I acted like I didn't see it. Around midnight, I couldn't sleep and so went out on to the veranda fronting my bedroom. I heard my brother uttering my name. "Jesus, is he still jacking off while thinking of me?" I thought to myself as I went to have a look. He was sitting on his bed in his room facing the veranda with the curtains open and stroking himself. From my part of the veranda to his is about seven feet and I was seeing him do this with his now manly dick much from a much closer viewpoint than I ever expected to get. I had never seen an adult male masturbating, so I watched intently. After a bit, he stroked himself faster and repeatedly recited my name until he blew his load.

Then he saw me as he reached for tissues to wipe his mess up with. He frantically pulled the curtain closed. "Did I just do something I shouldn't have?" I asked myself and felt kinda awkward about it.

I fell asleep later on, but in the early morning hours, I sensed something wasn't right and that there was someone in my room. My younger brother was sitting in bed cuddling me. I thought maybe he was going to try to explain away what had happened earlier. "Sorry I was watching you earlier," I apologized. "You're a man now and what you did was completely normal." "Older sister, it was your fault. Even though I'm a man, you walk around the house braless and wearing provocative underwear." He hugged me tighter and then kissed me.

I was surprised by his response to what I said to him and by what he was doing with me. He straddled me, pinned my arms to the bed and kissed me deeply. "Wait? What's up with this?" I questioned. But he ignored me and buried his face in my cleavage and then managed to open my pajama top with his teeth. "Don't do this! What are you thinking?" I objected. He acted deaf and started sucking on my nipples.

He came up for air and said, "older sister, I've wanted to do this for ages. I'm your younger brother, but I'm also a man and I just can't take it any longer. I love you!" He kissed me again. While I pondered whether this was not on or endearing, I felt how he had become a man in the strength he was using to restrain me. I acted like I was trying to resist, but my heart wasn't really in it.

"Your breasts are amazing! They're beautiful and sexy and make me more excited than any porn video could," he said as he released my arms and fondled my breasts. When he sucked my nipples, I felt a charge running through my body. One hand crept down my body and into my panties. "Woah, are you turned on? Man, you're wet!" he remarked, pulling a moistened finger out and showing it to me. He stuck his hand back into my panties and rubbed my clit, which gave me jolts of pleasure. He looked at me with a very pleased expression on his face as he kept rubbing me before he shoved his fingers into my pussy. "Ohhhhhhh," I moaned and I kept on moaning uncontrollably as he fingerfucked me and then made me cum.

"Now it's your turn to do that for me," he explained as he removed his clothes, his stiff cock wavering as he did so. It was big and engorged with blood and I silently slid my mouth over it. As I bobbed my head up and down, I slithered my tongue on it and sucked it. "Ohhhhh God, you're so good at this," he sighed. I was on fire with lust now and the little brother who I thought was cute had now turned into a man seemingly in the blink of an eye and he was having his way with me. His breathing became quite rough and he said that he couldn't wait any longer and wanted to fuck me, promising to make it feel really good for me.

He immediately thereafter pulled out of my mouth and jammed his dick into my pussy. "Oh my God,  you're so big," I moaned and I was lost in what he was doing to me. I wrapped my arms around him tightly and my legs were stationed on his back in an embarrassing position while he made me cum over and over. Then he asked me if he could cum and said that he couldn't hold back anymore. He pulled out and shot his semen all over my stomach and some on my breasts.

"I'm sorry to have been so rough with you. I just couldn't contain myself any longer," he explained. "I've loved you for so long and thought of you all the time when I masturbated, though in my imagination I dreamed of really giving it to you good." I looked up at him after hearing his cute confession and kissed him. "I know," I informed him. "I've seen you. I've also fingered myself while thinking of you fucking me." After that little coming out party, we fell asleep.

Until my parents returned, we made out and groped each other and had sex, too. Even now, when everyone in the house is asleep, we go to each other's bedrooms and get it on bigtime. I think my older brother might have found out, but I'm not sure. Screw it. Whatever happens is going to happen.